SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005

Transcription

1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005 TOLUNAY-WONG ENGINEERS, INC Sam Houston Parkway West, Suite 100 Houston, TX Patricia Hodgkins Phone: Valid To: February 29, 2020 Certificate Number: In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory for: CONSTRUCTION MATERIALS ENGINEERING ASTM: C1077 (Standard Practice for Agencies Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Testing Agency Evaluation); D3666 (Standard Specification for Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials); D3740 (Standard Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction); E329 (Standard Specification for Agencies Engaged in Construction Inspection, Testing, or Special Inspection) CONSTRUCTION MATERIALS TESTING Test Method: Aggregates: ASTM C29 ASTM C40 ASTM C88 ASTM C117 ASTM C123 ASTM C127 ASTM C128 ASTM C131 ASTM C136 ASTM C142 ASTM C535 ASTM C566 ASTM C702 (Method B Only) ASTM D75 1 Bulk Density ( Unit Weight ) and Voids in Aggregate Organic Impurities in Fine Aggregates for Concrete Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate Materials Finer than 75-μm (No. 200) Sieve in Mineral Aggregates by Washing Lightweight Particles in Aggregate Density, Relative Density (Specific Gravity), and Absorption of Coarse Aggregate Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine Sieve Analysis of Fine and Coarse Aggregates Clay Lumps and Friable Particles in Aggregates Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine Total Evaporable Moisture Content of Aggregate by Drying Reducing Samples of Aggregate to Testing Size Sampling Aggregates (A2LA Cert. No ) 05/21/2018 Page 1 of 5

2 Test Method: AASHTO T011 Test for Materials Finer Than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing AASHTO T019 Bulk Density ("Unit Weight") and Voids in Aggregate AASHTO T021 Organic Impurities in Fine Aggregates for Concrete AASHTO T027 Sieve Analysis of Fine and Coarse Aggregates AASHTO T084 Specific Gravity and Absorption of Fine Aggregate AASHTO T085 Specific Gravity and Absorption of Coarse Aggregate AASHTO T096 Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine AASHTO T104 Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate AASHTO T112 Clay Lumps and Friable Particles in Aggregate AASHTO T113 Lightweight Pieces of Aggregate AASHTO T255 Total Evaporable Moisture Content of Aggregate by Drying Bituminous: ASTM D2726 ASTM D3203 ASTM D3549 AASHTO T166 AASHTO T269 Tex-200-F Tex-201-F Tex-202-F Tex-206-F Tex-207-F Tex-208-F Tex-222-F Tex-225-F Tex-227-F Tex-236-F Concrete: ASTM C31/C31M 1 ASTM C39/C39M ASTM C42/C42M ASTM C78/C78M 1 ASTM C138/C138M 1 ASTM C143/C143M 1 ASTM C172/C172M 1 ASTM C173 1 ASTM C174/C174M ASTM C192/C192M Bulk Specific Gravity and Density of Non-Absorptive Compacted Bituminous Mixtures Percent Air Voids in Compacted Dense and Open Bituminous Paving Mixtures Thickness or Height of Compacted Bituminous Paving Mixture Specimens Bulk Specific Gravity of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens Percent Air Voids in Compacted Dense and Open Asphalt Mixtures Sieve Analysis of Fine and Coarse Aggregates Bulk Specific Gravity and Water Absorption of Aggregate Apparent Specific Gravity of Material Finer Than No.50 Sieve Compacting Specimens Using the Texas Gyratory Compactor (TGC) Determining Density of Compacted Bituminous Mixtures Test for Stabilometer Value of Bituminous Mixtures Sampling Bituminous Mixtures Random Selection of Bituminous Mixture Samples Theoretical Maximum Specific Gravity of Bituminous Mixtures Determining Asphalt Content from Asphalt Paving Mixtures by the Ignition Method Making and Curing Concrete Test Specimens in the Field Compressive Strength of Cylindrical Concrete Specimens Obtaining and Testing Drilled Cores and Sawed Beams of Concrete Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading) Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete Slump of Hydraulic-Cement Concrete Sampling Freshly Mixed Concrete Air Content of Freshly Mixed Concrete by the Volumetric Method Measuring Thickness of Concrete Elements Using Drilled Concrete Cores Making and Curing Concrete Test Specimens in the Laboratory (A2LA Cert. No ) 05/21/2018 Page 2 of 5

3 Test Method: ASTM C231/C231M 1 ASTM C293/C293M ASTM C495 ASTM C567 ASTM C617 ASTM C1064/C1064M 1 ASTM C1231/C1231M Tex-401-A Tex-402-A Tex-403-A Tex-404-A Tex-405-A Tex-406-A Tex-407-A Tex-408-A Tex-409-A Tex-410-A Tex-412-A Tex-413-A Tex-414-A Tex-415-A Tex-416-A Tex-417-A Tex-418-A Tex-422-A Tex-423-A Tex-424-A Tex-433-A Tex-448-A Tex-450-A Soils: ASTM C977 (Appendix XI) ASTM D422 ASTM D558 ASTM D559 ASTM D698 ASTM D1140 ASTM D1557 ASTM D1632 (Compression only) ASTM D1633 ASTM D1883 ASTM D2168 (Method A) ASTM D2216 Air Content of Freshly Mixed Concrete by the Pressure Method Flexural Strength of Concrete (Using Simple Beam With Center-Point Loading) Compressive Strength of Lightweight Insulating Concrete Determining Density of Structural Lightweight Concrete Capping Cylindrical Concrete Specimens Temperature of Freshly Mixed Hydraulic-Cement Concrete Unbonded Caps in Determination of Compressive Strength of Hardened Concrete Cylinders Sieve Analysis of Fine and Coarse Aggregate Fineness Modulus of Fine Aggregate Saturated Surface-Dry Specific Gravity and Absorption of Aggregates Determining Unit Mass (Weight) of Aggregates Determining the Percent of Solids and Voids in Concrete Aggregate Material Finer Than No. 200 Sieve in Mineral Aggregates (Decantation Test For Concrete Aggregates) Sampling Freshly Mixed Concrete Organic Impurities in Fine Aggregate for Concrete Free Moisture and Water Absorption in Aggregate for Concrete Abrasion of Coarse Aggregate Using the Los Angeles Machine Lightweight Pieces in Aggregate Determining Deleterious Material in Mineral Aggregate Air Content of Freshly Mixed Concrete by the Volumetric Method Slump of Hydraulic Cement Concrete Air Content of Freshly Mixed Concrete by the Pressure Method Unit Weight, Yield, and Air Content (Gravimetric) of Concrete Compressive Strength of Cylindrical Concrete Specimens Measuring Temperature of Freshly Mixed Portland Cement Concrete Determining Pavement Thickness by Direct Measurement Obtaining and Testing Drilled Cores of Concrete Absorption and Dry Bulk Specific Gravity of Lightweight Coarse Aggregate Flexural Strength of Concrete Using Simple Beam Third-Point Loading Capping Cylindrical Concrete Specimens Quicklime and Hydrated Lime for Soil Stabilization Particle-Size Analysis of Soils Moisture-Density (Unit Weight) Relations of Soil-Cement Mixtures Wetting and Drying Compacted Soil-Cement Mixtures Laboratory Compaction Characteristics of Soil Using Standard Effort Amount of Material in Soils Finer than No. 200 (75-μm) Sieve Laboratory Compaction Characteristics of Soil Using Modified Effort Making and Curing Soil-Cement Compression and Flexure Test Specimens in the Laboratory Compressive Strength of Molded Soil-Cement Cylinders CBR (California Bearing Ratio) of Laboratory-Compacted Soils Calibration of Laboratory Mechanical-Rammer Soil Compactors Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass (A2LA Cert. No ) 05/21/2018 Page 3 of 5

4 Test Method: ASTM D2487 ASTM D2488 ASTM D4318 ASTM D4718 ASTM D5102 ASTM D ASTM D6276 AASHTO T087 AASHTO T088 AASHTO T089 AASHTO T090 AASHTO T099 AASHTO T100 AASHTO T134 AASHTO T135 AASHTO T180 AASHTO T193 AASHTO T265 AASHTO T310 AASHTO T311 Tex-100-E Tex-101-E Tex-103-E Tex-104-E Tex-105-E Tex-106-E Tex-107-E Tex-108-E Tex-110-E Tex-111-E Tex-112-E Tex-113-E Tex-114-E Tex-120-E Tex-121-E Tex-127-E Tex-128-E Tex-130-E Tex-141-E Tex-142-E Classification of Soils for Engineering Purposes (Unified Soil Classification System) Description and Identification of Soils (Visual-Manual Procedure) Liquid Limit, Plastic Limit, and Plasticity Index of Soils Unit Weight and Water Content for Soils Containing Oversize Particles Unconfined Compressive Strength of Compacted Soil-Lime Mixtures In-Place Density and Water Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth) Using ph to Estimate the Soil-Lime Proportion Requirement for Soil Stabilization Dry Preparation of Disturbed Soil and Soil-Aggregate Samples for Test Particle Size Analysis of Soils Determining the Liquid Limit of Soils Determining the Plastic Limit and Plasticity Index of Soils Moisture-Density Relations of Soils Using a 2.5-kg (5.5-lb) Rammer and a 305-mm (12-in.) Drop Specific Gravity of Soils Test for Moisture-Density Relations of Soil-Cement Mixtures Test for Wetting-and-Drying Test of Compacted Soil-Cement Mixtures Moisture-Density Relations of Soils Using a 4.54-kg (10-lb) Rammer and a 457-mm (18-in.) Drop The California Bearing Ratio Laboratory Determination of Moisture Content of Soils In-Place Density and Moisture Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth) Grain-Size Analysis of Granular Soil Materials Surveying and Sampling Soils for Highways Preparing Soil and Flexible Base Materials for Testing Determining Moisture Content in Soil Materials Determining Liquid Limits of Soils Determining Plastic Limit of Soils Calculating the Plasticity Index of Soils Determining the Bar Linear Shrinkage of Soils Determining the Specific Gravity of Soils Particle Size Analysis of Soils Determining the Amount of Material in Soils Finer than the 75 m (No. 200) Sieve Admixing Lime to Reduce Plasticity Index of Soils Laboratory Compaction Characteristics and Moisture-Density Relationship of Base Materials Laboratory Compaction Characteristics and Moisture-Density Relationship of Subgrade, Embankment Soils, and Backfill Material Soil-Cement Testing Soil-Lime Testing Lime Fly-Ash Compressive Strength Test Methods Determining Soil ph Slurry Testing Manual Procedure for Description and Identification of Soils Laboratory Classification of Soils for Engineering Purposes (A2LA Cert. No ) 05/21/2018 Page 4 of 5

5 1 This laboratory meets A2LA R104 General Requirements: Accreditation of Field Testing and Field Calibration Laboratories for these tests. (A2LA Cert. No ) 05/21/2018 Page 5 of 5

6 Accredited Laboratory A2LA has accredited TOLUNAY-WONG ENGINEERS, INC. Houston, TX for technical competence in the field of Construction Materials Testing This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (refer to joint ISO-ILAC-IAF Communiqué dated April 2017). Presented this 21 st day of May President and CEO For the Accreditation Council Certificate Number Valid to February 29, 2020 For the tests to which this accreditation applies, please refer to the laboratory s Construction Materials Scope of Accreditation.